Overview
The Taskforce on Nature-related Financial Disclosures (TNFD) released its additional sector guidance for alternative fuels in June 2026, with legal analysis from Clayton Utz published on 24 July 2026 confirming the practical consequences for organisations producing, purchasing, or using biofuels, hydrogen, methanol, and ammonia. The guidance represents a structural change to how sustainability claims are evaluated and disclosed for energy transition projects. Decarbonisation credentials alone are no longer a sufficient basis for a green status. Projects must now demonstrate performance against both carbon reduction and nature impact metrics to withstand scrutiny from investors, financiers, and regulators.
For environmental professionals working across infrastructure approvals, corporate transactions, and energy transition planning, this development reframes the scope of technical work required to support a client’s sustainability position. The TNFD framework introduces a four-phase LEAP methodology (Locate, Evaluate, Assess, Prepare) that demands granular assessments of freshwater depletion, land use change, ocean use change, and pollution impacts across the full project lifecycle. This is materially different from the emissions-centric impact assessments that have historically underpinned alternative fuel project approvals and corporate reporting.
The timing of this guidance is significant for the Australian market. With Environment Protection Australia commencing operations on 1 July 2026 under federal environmental reform, and with Australian Sustainability Reporting Standards AASB S1 and AASB S2 already embedding international sustainability disclosure frameworks into domestic corporate reporting obligations, the TNFD sector guidance arrives into a regulatory environment that is actively tightening on multiple fronts simultaneously. Developers, infrastructure proponents, and energy investors who have not yet integrated nature-related risk into their project planning and disclosure frameworks are now exposed on several flanks at once.
Key details of the TNFD alternative fuels sector guidance and LEAP methodology requirements
The TNFD additional sector guidance for alternative fuels was published in June 2026 and applies to organisations across the full value chain of alternative fuel production and use, including biofuels derived from agricultural and forestry feedstocks, green and blue hydrogen, ammonia, and methanol. The guidance does not restrict its disclosure expectations to fuel producers. It explicitly extends accountability to buyers and end users, including airlines, marine operators, road transport companies, and electric utilities, requiring them to disclose material nature-related risks and dependencies across their supply chains even where they do not hold direct operational control over production processes.
The core analytical tool mandated by the guidance is the LEAP approach. The four phases require organisations to first Locate their interface with nature by mapping where operations and supply chains intersect with sensitive or priority ecosystems. The Evaluate phase requires assessment of dependencies on natural systems, such as freshwater availability, pollination services, and soil stability. The Assess phase involves identifying material nature-related risks and opportunities arising from those dependencies and impacts. The Prepare phase requires integration of findings into governance structures, strategy documents, and public disclosures. For alternative fuel projects, this process is expected to generate water balance modelling at a catchment scale, regional ecological risk assessments, and biodiversity impact mapping, all of which are materially more complex than the greenhouse gas accounting that has previously anchored transition project reporting.
The dual-test approach at the heart of the guidance is its most consequential feature. A project that achieves significant greenhouse gas reduction but causes substantial freshwater depletion, land use change, or pollution will not satisfy the framework’s criteria for a credible sustainability claim. This is directly relevant to feedstock-intensive biofuel operations, which can have significant land clearing footprints and irrigation water demands depending on the crop and region. Hydrogen production via electrolysis carries large electricity and water consumption requirements. Ammonia synthesis is energy-intensive and carries risks of nitrogen-based pollution to aquatic systems. The guidance treats these impacts as material disclosure items, not secondary considerations.
On the corporate reporting side, the TNFD framework sits alongside but separate from AASB S1 and AASB S2 in the Australian context. AASB S1 covers general sustainability-related financial disclosures, and AASB S2 covers climate-related disclosures specifically, both aligning with the International Financial Reporting Standards Sustainability Disclosure Standards issued by the IFRS Foundation. Nature-related disclosures under TNFD remain a largely voluntary layer at the time of writing, but investor and financier expectations are hardening rapidly, and the legal analysis from Clayton Utz notes that greenwashing litigation risk is a direct consequence of inadequate nature-related disclosure for organisations making transition or sustainability claims in their market communications.

Australian context: EPBC Act reforms, National EPA, and the tightening biodiversity disclosure environment
The TNFD guidance lands at a particularly consequential moment for the Australian regulatory environment. Environment Protection Australia began operations on 1 July 2026, introducing a new layer of federal environmental oversight that sits alongside the Environment Protection and Biodiversity Conservation Act 1999 (Cth). While the full scope of Environment Protection Australia’s regulatory powers continues to be established through transitional arrangements, its establishment signals a shift toward more centralised federal enforcement of environmental standards, with direct implications for how alternative fuel projects are assessed and approved at the national level.
References and related sources
- Primary source: www.claytonutz.com
- minterellison.com
- claytonutz.com
- EPBC Act
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This is an iEnvi Machete news summary. Prepared by iEnvi to summarise the source article for contaminated land, groundwater, remediation, approvals and site risk professionals.
Published: 27 Jul 2026
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